參數(shù)資料
型號： TL500
廠商： Texas Instruments, Inc.
英文描述： PULSE-WIDTH-MODULATION CONTROL CIRCUITS
中文描述： 脈寬調(diào)制控制電路
文件頁數(shù)： 7/23頁
文件大?。?/td> 348K
代理商： TL500
TL5001, TL5001A
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS084E – APRIL 1994 – REVISED OCTOBER 1999
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
CC
= 6 V,
f
osc
= 100 kHz (unless otherwise noted)
reference
PARAMETER
TEST CONDITIONS
TL5001C, TL5001I
MIN
TYP
TL5001AC, TL5001AI
MIN
TYP
UNIT
MAX
MAX
Output voltage
COMP connected to FB
0.95
1
1.05
0.97
1
1.03
V
Input regulation
VCC = 3.6 V to 40 V
TA = –20
°
C to 25
°
C (C suffix)
TA = –40
°
C to 25
°
C (I suffix)
TA = 25
°
C to 85
°
C
2
12.5
2
12.5
mV
–10
–1
10
–10
–1
10
Output voltage change with temperature
–10
–10
–1
–2
10
10
–10
–10
–1
–2
10
10
mV/V
All typical values are at TA = 25
°
C.
undervoltage lockout
PARAMETER
TEST CONDITIONS
TL5001C, TL5001I
TYP
TL5001AC, TL5001AI
TYP
UNIT
MIN
MAX
MIN
MAX
Upper threshold voltage
TA = 25
°
C
TA = 25
°
C
TA = 25
°
C
TA = 25
°
C
3
3
V
Lower threshold voltage
2.8
2.8
V
Hysteresis
100
200
100
200
mV
Reset threshold voltage
All typical values are at TA = 25
°
C.
short-circuit protection
2.1
2.55
2.1
2.55
V
PARAMETER
TEST CONDITIONS
TL5001C, TL5001I
TYP
0.95
1.00
TL5001AC, TL5001AI
TYP
0.97
1.00
UNIT
MIN
MAX
1.05
MIN
MAX
1.03
SCP threshold voltage
TA = 25
°
C
No pullup
V
SCP voltage, latched
140
185
230
140
185
230
mV
SCP voltage, UVLO standby
No pullup
TA = 25
°
C
60
120
60
120
mV
μ
A
V
Input source current
–10
–15
–20
–10
–15
–20
SCP comparator 1 threshold voltage
All typical values are at TA = 25
°
C.
oscillator
1.5
1.5
PARAMETER
TEST CONDITIONS
TL5001C, TL5001I
TYP
TL5001AC, TL5001AI
TYP
UNIT
MIN
MAX
MIN
MAX
Frequency
Rt = 100 k
100
100
kHz
Standard deviation of frequency
15
15
kHz
Frequency change with voltage
VCC = 3.6 V to 40 V
TA = –40
°
C to 25
°
C
TA = –20
°
C to 25
°
C
TA = 25
°
C to 85
°
C
1
1
kHz
–4
–0.4
4
–4
–0.4
4
kHz
Frequency change with temperature
–4
–0.4
4
–4
–0.4
4
kHz
–4
–0.2
4
–4
–0.2
4
kHz
Voltage at RT
All typical values are at TA = 25
°
C.
1
1
V
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